| STEPHENS INC /AR/ | 1,102,847 | $63.5m | 0.7% |
| FMR LLC | 818,917 | $47.1m | 0.0% |
| Granahan Investment Management, LLC | 801,969 | $46.2m | 1.6% |
| BlackRock, Inc. | 792,458 | $45.6m | 0.0% |
| JANE STREET GROUP, LLC | 348,271 | $20.0m | 0.0% |
| TWO SIGMA INVESTMENTS, LP | 335,347 | $19.3m | 0.0% |
| Portolan Capital Management, LLC | 302,010 | $17.4m | 0.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | 273,204 | $15.7m | 0.0% |
| UBS Group AG | 202,583 | $11.7m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 200,364 | $11.5m | 0.0% |
| Pillsbury Lake Capital LLC | 176,989 | $10.2m | 2.8% |
| 12 West Capital Management LP | 175,000 | $10.1m | 1.9% |
| GEODE CAPITAL MANAGEMENT, LLC | 174,717 | $10.1m | 0.0% |
| Granite Investment Partners, LLC | 149,803 | $8.6m | 0.4% |
| Meros Investment Management, LP | 147,676 | $8.5m | 2.7% |
| GOLDMAN SACHS GROUP INC | 145,227 | $8.4m | 0.0% |
| STATE STREET CORP | 142,144 | $8.2m | 0.0% |
| WASATCH ADVISORS LP | 137,336 | $7.9m | 0.1% |
| FRED ALGER MANAGEMENT, LLC | 127,204 | $7.3m | 0.0% |
| NORTHERN TRUST CORP | 114,430 | $6.6m | 0.0% |
| HRT FINANCIAL LP | 108,275 | $6.2m | 0.0% |
| CITADEL ADVISORS LLC | 106,524 | $6.1m | 0.0% |
| Point72 Asset Management, L.P. | 100,991 | $5.8m | 0.0% |
| MARSHALL WACE, LLP | 99,248 | $5.7m | 0.0% |
| TUDOR INVESTMENT CORP ET AL | 98,899 | $5.7m | 0.0% |